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barxatty [35]
3 years ago
12

Solve for the given variable. List the step used to solve the equation. 49.75 + 4.99x = 9.99x + 19.75?​

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0

Answer:

x=-2

Step-by-step explanation:

9.75+4.99x=9.99x+19.75

Simply Both Sides(change the order of 9.75 and 4.99x in this case)

4.99x+9.75=9.99x+19.75

Subtract 9.99x from both sides

4.99x+9.75−9.99x=9.99x+19.75−9.99x

−5x+9.75=19.75

Subtract 9.75 from both sides now

−5x+9.75−9.75=19.75−9.75

−5x=10

Divide both sides by -5 and boom

−5x/-5=10/-5

x=−2

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A statistician finds that the population P of a small developing country has been increasing at a rate of 3.65% annually. In 200
iren [92.7K]

Answer:

15.035 years

Step-by-step explanation:

The exponential function to calculate population growth is

P(t) = Poe^kt

P(t) = Population size after t years = 3.6 million

Po = Initial population size = 2.1 million

k = growth rate = 3.65% = 0.0365

t = time in years = ???

Hence:

3600000 = 2100000 × e ^0.0365t

Divide both sides by 2100000

3600000/2100000 = e^0.0365t

1.7142857143 = e^0.0365t

Find the log of both sides

Log 1.7142857143 = log (e^0.0365t)

Log 1.7142857143 /Log 0.0365 = t

t = 15.035 years

5 0
3 years ago
if you had a rectangular sheet cake do you need to cut into 15 pieces how many pieces would have to be on each side to achieve t
STatiana [176]
15 is divisible by 3 and 5.
3 * 5 = 15.
You can cut the cake into 5 pieces along the length, and cut into 3 pieces along the width to get 15 pieces.
8 0
3 years ago
Consider the equation
Fudgin [204]

Answer:ggx

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP WILL MARK BRAINLIEST!!!!!!!!
Hunter-Best [27]

The true statement is (a) segment BC is located at B (1, 0) and C (1, 3) and is one-half the size of segment B'C'

The coordinates are given as:

B'=(2,0)

C'=(2,6)

The scale factor from BC is given as:

k=2

So, the coordinates of segment BC are calculated using:

B'=B*k

C'=C*k

This gives

(2,0)=B*2

Divide both sides by 2

B=(1,0)

Also, we have:

(2,6)=C*2

Divide both sides by 2

C=(1,3)

Hence, the true statement is (a)

Read more about dilation at:

brainly.com/question/3457976

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3 years ago
Need help solving 35+16z=16z+35
olga55 [171]
35+16z=16z+35 35-35=16-16 0=0
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4 years ago
Read 2 more answers
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